H400_1 - Datasheet

ASA H400 f2.4 + DDM100


ASA at its finest The H400_1 Telescope System combines the H400 f2.4 widefield astrograph with our DDM100 Direct Drive mount. For precision, the telescope focuser and mount axes feature our absolute encoder technology. Main Facts Optical design Hyperbolic Linear central obstruction 45% Focal length 960mm Focal ratio system f2.4 Clear Aperture / Focal Ratio Primary Mirror 400mm (15.7 inch) / f3 Image field 70mm (4.2 degrees) Mirror material Fused silica Back Focus from flange 91.56mm Total weight 113kg / 249lbs Motor ASA Direct Drive Latitude Range 0 to 90 degrees Max. load capacity 100kg (220lbs) Weight mount (without counterweight) 56kg (123lbs) Software ASA Software package with a platform-independent Ascom Alpaca API (via TCP/IP), compatibility with numerous programs, and many additional API features for: • Creating and optimizing pointing files • MLPT (e.g., usable with a N.I.N.A plugin) • Uploading and tracking TLE and CPF satellite orbits • Orbit corrections when satellite tracking (autoguiding with external CCD cameras) • Focus control also via Ascom Alpaca API • Covers (if installed) via Ascom Alpaca API Max. slew speeds Up to 50 degrees per second Pointing Accuracy (20° to 85°) <8” RMS with pointing model and ASA telescope Tracking Accuracy (20° to 85° – unguided, with current pointingfile) <0,25” RMS within 5 minutes System Natural Frequency 10 Hz or greater

Main Facts